CVE-2022-40684: listed in the CISA KEV catalog

CVE-2022-40684 · CVSS 9.8 CRITICAL · EPSS 100.0% · KEV 2022-10-11

An authentication bypass using an alternate path or channel [CWE-288] in Fortinet FortiOS version 7.2.0 through 7.2.1 and 7.0.0 through 7.0.6, FortiProxy version 7.2.0 and version 7.0.0 through 7.0.6 and FortiSwitchManager version 7.2.0 and 7.0.0 allows an unauthenticated atttacker to perform operations on the administrative interface via specially crafted HTTP or HTTPS requests.

Is CVE-2022-40684 exploited?

• Listed in the CISA KEV catalog on 2022-10-11.
• Federal remediation due 2022-11-01.
• Past that date by 1383 days.
• Used in ransomware campaigns.
• EPSS puts exploitation in the next 30 days at 100.0%.
• Public exploit code: packaged in a public tool.
• Public detection rules exist.

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

No patch identifier recorded here yet.

What PlainSec published about CVE-2022-40684

• Patched FortiGates Still Leak Access Through Old Credentials (2026-07-09)

Primary sources

• NVD record
• CISA KEV catalog
• Metasploit: exploit/linux/http/fortinet_authentication_bypass_cve_2022_40684
• Exploit-DB 52239
• Exploit-DB 51092
• Nuclei template

What this record does not say

• No affected package data.
• No patch identifier.

KEV and EPSS are re-checked daily. Record last updated 2026-08-11.